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Investment Calculators

Stock Profit Calculator

Work out the profit or loss on a share trade after commissions, including the break-even price you need to cover costs.

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$
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Net profit

$2,988

Return
35.55%
Break-even sell price
$42.06
Net proceeds
$11,394
Cost against proceeds
CostProceeds

How this calculator works

Profit = shares × (sell − buy) − commissions

break-even
the sell price that exactly covers the purchase and both commissions

Example calculation

Illustrative example — not advice

Worked example — the stock profit calculator as it loads, using the default figures below.

  1. 01Enter number of shares: 200.
  2. 02Enter buy price per share: $42.
  3. 03Enter sell price per share: $57.
  4. 04Enter commission per trade: $6.
  5. 05Read the net profit from the results panel: $2,988.

Net profit: $2,988. Return: 35.55%. Break-even sell price: $42.06. Net proceeds: $11,394.

These figures come straight from the calculator above running on the values listed, so you can retype them and confirm every number yourself. Change any input and the results update immediately. Illustrative only — not a quote, offer or recommendation.

Important considerations

  • Capital gains tax is not included — use the capital gains calculator for that.
  • Currency conversion costs apply to overseas holdings.

Terms used here

Frequently asked questions

Should commissions really matter?

On small trades they can consume a meaningful share of the return, which is why break-even is shown.

Disclaimer

Legamoney calculators are educational tools. Results are estimates based on the figures you enter and do not constitute financial, tax or legal advice.

Last reviewed 2026-08-01